 |
| |||
| exploitation par puits | |||
|
шахтная добыча : 9 phrases in 4 subjects |
| Geology | 1 |
| Mining | 2 |
| Oil and gas technology | 4 |
| Technology | 2 |
|
| |||
| exploitation par puits | |||
|
шахтная добыча : 9 phrases in 4 subjects |
| Geology | 1 |
| Mining | 2 |
| Oil and gas technology | 4 |
| Technology | 2 |